Home / 126,289.32-174,278.40-69,700.69

Finding the Fourth Proportional to 126,289.32, 174,278.40 and 69,700.69

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Solution

The fourth proportional to 126,289.32, 174,278.40 and 69,700.69 is: 96,186.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,289.32 : 174,278.40 = 69,700.69 : x
  2. Step 2: Convert to fraction form
    126,289.32/174,278.40 = 69,700.69/x
  3. Step 3: Cross multiply
    126,289.32x = 174,278.40 × 69,700.69
  4. Step 4: Simplify right side
    126,289.32x = 12,147,324,732.10
  5. Step 5: Solve for x
    x = 12,147,324,732.10/126,289.32
  6. Step 6: Final answer
    x = 96,186.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.